There is no need to declare those below 300 square meters, and those above 300 square meters need qualified design units to draw drawings-submit them to the fire department for examination and approval-issue audit opinions-modify the drawings according to the audit opinions-re-submit them for approval-issue construction opinions-submit the original audit to the construction unit for filing-project construction-commissioning-hand them over to Party A after completion-professional units to test-issue inspection reports-submit them to the audit unit for acceptance.